Bird Flu Viruses Raise Mounting Concerns Among Scientists NYT Par :Apoorva Mandavilli 10 janvier 2026 à 19:48 Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the world. © Tim Gruber for The New York TimesThe milking parlor of a Wisconsin dairy farm. The Agriculture Department announced the first detection of bird flu in a herd in the state, the third time the virus had jumped from wildlife into dairy cattle last year.